as the general hub of the national government service, the national government service platform focuses on three functions: public entrance, public passage and public support, and provides "seven unifications" support services such as unified government service portal, unified management of government service matters, unified identity authentication, unified electronic seal, unified electronic license and unified data * * *. Realize four functions, such as supporting one network to do business, gathering data and information, realizing exchange and sharing, and strengthening dynamic supervision, and solve the outstanding problems in cross-regional, cross-departmental and cross-level government services, such as information sharing, business collaboration and insufficient basic support.